B2 Stem Cells HW Q1. The diagram shows one way that stem cells can be produced from human embryos. Sue Medaris/University of Wisconsin-Madison (a) Stem cells can be used to treat a condition such as paralysis. Explain why. stem cells can differntiate to become any type of body cell so they could be used to replace the damaged nerve cells‚ (2) (b) During pregnancy‚ an umbilical cord and a placenta join the embryo to the mother. At birth the umbilical cord is cut. Stem cells can
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Stem cells‚ often called the building blocks of the human body‚ are positioned within the body’s blood‚ tissues‚ organs‚ and immune system. Once they are transplanted‚ they have the capability to either reconstruct or restore a patient’s damaged cells which could enhance the patient’s health; and in some cases can conclusively save a person’s life. The umbilical cord is used as a basic lifeline from the mother to the baby throughout the pregnancy. If stem cells from the umbilical cord are collected
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English 111 November 13‚ 2013 Stem Cells A Better Future for Tomorrow The field of human genetics has been a “hot topic” since the 1950’s when James Watson and Francis Crick first discovered the basic structure of DNA (“Human Genetics”). Stem cells are found in humans and animals that have distinctive properties. They are the building blocks of life simply put. They have the ability to divide and reproduce themselves for a long period at a time. Stem cell research is a very controversial topic
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a cure possible. With the assistance of technology‚ medical doctors are able to perform less evasive surgery‚ making recovery faster and lessen the possibility of complications. Science and medicine continue to research ways to make life for people. In 1998‚ scientist learned how to remove stem cells from human embryos and grow the cells in laboratories (Stem Cell Information‚ n.d.). The potential benefits of using human embryonic stem cells to treat disease and injuries is exciting but the controversy
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advancing‚ every day we learn more about how life works and through this we increase our knowledge and understanding of health and disease. Even in the last ten years we have had numerous scientific advancements‚ from the human genome project to stem cell research. I hope to one day contribute to this understanding through the knowledge and skills I gain from this course. I have always had an interest in science‚ especially in terms of how illness and disease affects the body. I developed an interest
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Stem Cells Critical consideration: ethics of use of embryonic stem cells 1) To what extend are these positions similar and how do they differ? From the article we can know that both Roman Catholic and Islam have different opinions but their aim is the same‚ which is‚ improve human health. Also both of them agreed that the early stages of the biological development of the embryo are regarded as a human. Abdulaziz Sachedina from University of Virginia who represent view
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“Human embryonic stem cell (HESC) research offers much hope for alleviating the human suffering brought on by the ravages of disease and injury.” according to plato.stanford.edu‚ so the question shouldn’t be why should it be legal‚ but why shouldn’t it? My mother went to see a brain specialist to try to get an understanding of why she has chronic migraines‚ and originally they thought she might have multiple sclerosis‚ a chronic disease that attacks the central nervous system. Luckily we discovered
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Moral Theory and Ethics in Human Stem Cell Research Stem cells give the field of medicine amazing possibilities in research and development. These special cells have the capability to possibly correct and prevent Alzheimer ’s‚ Parkinson ’s‚ multiple sclerosis‚ spinal cord injuries (Reaves‚ 2001). Stem cell research is based on two areas; the adult stem cell and the human embryonic stem cell. The ethical and legal issues arise on the area of human embryonic stem cell. This topic has called gathered
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Define Stem Cells and give background information on them. Stem cells are a class of undifferentiated cells that are able to differentiate into special cell types. There are two types of Stem Cells: Adult Stem cells and embryonic stem cells. Embryonic stem cells come from embryos that are 3-5 days old. They are often taken from the umbilical cord. They are used more than adult stem cells. Adult stem cells mainly come from bone marrow. Their primary function is to maintain homeostasis by replacing
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Stem Cell Research 1. Introduction a. Attention-getter: b. Thesis: Today‚ I will persuade you to support stem cell research‚ because it holds the potential for great medical advancements. c. Credibility: I studied a lot of biology. Plus‚ I feel passionate about this issue. d. Relevance: In the future‚ our generation will be the one making medical breakthroughs and creating medical policy. Plus‚ we’ll all get old someday and possibly need medical treatments. e. Background: Stems cells are
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